"Health is the natural condition. When sickness occurs, it is a sign that Nature has gone off course because of a physical or mental imbalance. The road to health for everyone is through moderation, harmony, and a 'sound mind in a sound body'."
"Man is the measure of all things', said the Sophist Protagora (c. 485-410 B.C.). By that he meant that the question of whether a thing is right or wrong, good or bad, must always be considered in relation to a person's needs."
"And although I have seen nothing but black crows in my life, it doesn't mean that there's no such thing as a white crow. Both for a philosopher and for a scientist it can be important not to reject the possibility of finding a white crow. You might almost say that hunting for 'the white crow' is science's principal task."
"The rearing of children is considered too important to be left to the individual and should be the responsibility of the state."
"A hydrogen atom in a cell at the end of my nose was once part of an elephant's trunk. A carbon atom in my cardiac muscle was once in the tail of a dinosaur."
"If you believed in Christianity or Islam it was called 'faith', but if you believed in astrology or friday the thirteenth it was Superstition!"